Jul 08, 2011 · Thiobacillus denitrificans is a widely distributed bacterium, found in both soil and water habitats. In artificial habitats, Thiobacillus denitrificans is considered easily culturable, and was first cultured by Beijerinck in 1904. The variety of habitats occupied by thiobacillus denitrificans include: brackish mud, soil, freshwater and marine sediment, domestic sewage and sewage lagoons ...